917.3   Gun   I 
               Gunther, John, 1901-
                    Inside U.S.A. , by John Gunther . . .   New York
                and London , Harper y brothers , 1947 .
                      xvi  p.,  979  p.  mapas , fold.  tab. 22 cm.
                    " First edition "
                Bibliography :  p . 935 -946 .